InChI=1S/C24H30O9S/c1-15(2)5-9-21(33-34(27,28)29)24(4)23(32-24)19(25)13-16(3)11-12-30-18-8-6-17-7-10-22(26)31-20(17)14-18/h5-8,10-11,14,19,21,23,25H,9,12-13H2,1-4H3,(H,27,28,29)/b16-11+